I went from a full size van pulling a travel trailer with very little outside storage space (so everything was in the van) to a 30' Class C with no toad. It has one large outside pass-through storage area, a large area under the queen bed inside, but otherwise is pretty limited for storage.
I really miss the vast openess of the van! I could pack without thinking much, just put in whatever I want. Now I need to think about weight distribution and figure out how to organize the large outside rear storage area. It's going to be a work in progress over the winter, and probably into next summer.
I'm thinking maybe a large sliding shelf for the middle part I cannot easily reach, then plastic bins on each side by the access hatches.
I definitely need to build a bunch of shelves in the wardrobe area, I have no need for hanging clothes space (which it has on both sides of the bed).